199173720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3851}}^1$

素因数の和:4296

約数の個数: 64

約数和(自身を含む): 599063040

約数和(自身を除く): 399889320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 862, 1293, 1724, 2155, 2586, 3448, 3851, 4310, 5172, 6465, 7702, 8620, 10344, 11553, 12930, 15404, 17240, 19255, 23106, 25860, 30808, 38510, 46212, 51720, 57765, 77020, 92424, 115530, 154040, 231060, 462120, 1659781, 3319562, 4979343, 6639124, 8298905, 9958686, 13278248, 16597810, 19917372, 24896715, 33195620, 39834744, 49793430, 66391240, 99586860, 199173720]

約数ペア:

[(1, 199173720), (2, 99586860), (3, 66391240), (4, 49793430), (5, 39834744), (6, 33195620), (8, 24896715), (10, 19917372), (12, 16597810), (15, 13278248), (20, 9958686), (24, 8298905), (30, 6639124), (40, 4979343), (60, 3319562), (120, 1659781), (431, 462120), (862, 231060), (1293, 154040), (1724, 115530), (2155, 92424), (2586, 77020), (3448, 57765), (3851, 51720), (4310, 46212), (5172, 38510), (6465, 30808), (7702, 25860), (8620, 23106), (10344, 19255), (11553, 17240), (12930, 15404)]